Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1956 0 13:45
1958 0 4:00
1977 9 29:30
1978 235 27:30
1982 0 3:00
1986 0 50:00
1987 94 56:35
2001 0 0:00
2002 0 0:00
2003 0 12:30
2004 0 44:15
2005 424 1018:50
2006 169 647:30
2007 7 816:41
2008 49 648:15
2009 4 446:08
2010 80 645:00
2011 27 681:30
2012 113 422:55
2013 228 613:10
2014 161 473:05
2015 72 560:45
2016 0 427:55
2017 2 576:05
2018 12 430:45
2019 61 455:27
2020 0 506:07
2021 1537 1019:09
2022 0 15:58
 
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